Granted Patent
Utility
US 6,610,291 · App. 09/739,649
Ready-to-use ristocetin cofactor test reagent possessing long-term stability
Inventors:
Jurgen Patzke, Konrad Braun
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Dec 20, 2000
Inventors
Jurgen Patzke
Konrad Braun
Assignee (at issue)
Dade Behring Marburg GmbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.